A source at the Harris County Institute of Forensic Sciences said “The exact cause of death is an accident due to the combined effects of hydrocodone and difluoroethane with carisoprodol,” .

Hydrocodone is found in pain killers, carisoprodol is a muscle relaxant and difluroethane is an inhalant found in household products that can be used to get high, according to the National Institutes of Health.